| /*============================================================================== |
| Copyright(c) 2019 Intel Corporation |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files(the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and / or sell copies of the Software, and to permit persons to whom the |
| Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| OTHER DEALINGS IN THE SOFTWARE. |
| ============================================================================*/ |
| |
| #include "GmmGen12CachePolicyULT.h" |
| |
| using namespace std; |
| |
| ///////////////////////////////////////////////////////////////////////////////////// |
| /// Sets up common environment for Cache Policy fixture tests. this is called once per |
| /// test case before executing all tests under resource fixture test case. |
| /// It also calls SetupTestCase from CommonULT to initialize global context and others. |
| /// |
| ///////////////////////////////////////////////////////////////////////////////////// |
| void CTestGen12CachePolicy::SetUpTestCase() |
| { |
| GfxPlatform.eProductFamily = IGFX_TIGERLAKE_LP; |
| GfxPlatform.eRenderCoreFamily = IGFX_GEN12_CORE; |
| |
| AllocateAdapterInfo(); |
| |
| pGfxAdapterInfo->SystemInfo.L3CacheSizeInKb = 3072; |
| |
| const_cast<SKU_FEATURE_TABLE &>(pGfxAdapterInfo->SkuTable).FtrEDram = false; |
| const_cast<SKU_FEATURE_TABLE &>(pGfxAdapterInfo->SkuTable).FtrLLCBypass = 0; |
| |
| CommonULT::SetUpTestCase(); |
| |
| printf("%s\n", __FUNCTION__); |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////////////// |
| /// cleans up once all the tests finish execution. It also calls TearDownTestCase |
| /// from CommonULT to destroy global context and others. |
| /// |
| ///////////////////////////////////////////////////////////////////////////////////// |
| void CTestGen12CachePolicy::TearDownTestCase() |
| { |
| printf("%s\n", __FUNCTION__); |
| |
| CommonULT::TearDownTestCase(); |
| } |
| |
| void CTestGen12CachePolicy::CheckL3CachePolicy() |
| { |
| const uint32_t L3_WB_CACHEABLE = 0x3; |
| const uint32_t L3_UNCACHEABLE = 0x1; |
| |
| // Check Usage MOCS index against MOCS settings |
| for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++) |
| { |
| GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage); |
| uint32_t AssignedMocsIdx = ClientRequest.MemoryObjectOverride.Gen12.Index; |
| GMM_CACHE_POLICY_TBL_ELEMENT Mocs = pGmmULTClientContext->GetCachePolicyTlbElement(AssignedMocsIdx); |
| |
| //printf("Usage: %d --> Index: [%d]\n", Usage, AssignedMocsIdx); |
| |
| EXPECT_EQ(0, Mocs.L3.ESC) << "Usage# " << Usage << ": ESC is non-zero"; |
| EXPECT_EQ(0, Mocs.L3.SCC) << "Usage# " << Usage << ": SCC is non-zero"; |
| EXPECT_EQ(0, Mocs.L3.Reserved) << "Usage# " << Usage << ": Reserved field is non-zero"; |
| |
| // Check if Mocs Index is not greater than GMM_MAX_NUMBER_MOCS_INDEXES |
| EXPECT_GT(GMM_MAX_NUMBER_MOCS_INDEXES, AssignedMocsIdx) << "Usage# " << Usage << ": MOCS Index greater than MAX allowed (63)"; |
| |
| if(ClientRequest.L3Eviction == 0x2) //63 |
| { |
| if((GMM_RESOURCE_USAGE_TYPE)Usage == GMM_RESOURCE_USAGE_L3_EVICTION) |
| { |
| EXPECT_EQ(AssignedMocsIdx, 63) << "Usage# " << Usage << ": Incorrect Index for L3Eviction type# " << ClientRequest.L3Eviction; |
| EXPECT_EQ(0, ClientRequest.L3) << "Usage# " << Usage << ": Incorrect L3 cacheability for L3Eviction type# " << ClientRequest.L3Eviction; |
| } |
| else |
| { |
| EXPECT_NE(AssignedMocsIdx, 63) << "Usage# " << Usage << ": Incorrect Index for L3Eviction type# " << ClientRequest.L3Eviction; |
| EXPECT_EQ(1, ClientRequest.L3) << "Usage# " << Usage << ": Incorrect L3 cacheability for L3Eviction type# " << ClientRequest.L3Eviction; |
| } |
| } |
| else if(ClientRequest.L3Eviction == 0x3) //61 |
| { |
| EXPECT_EQ(AssignedMocsIdx, 61) << "Usage# " << Usage << ": Incorrect Index for L3Eviction type# " << ClientRequest.L3Eviction; |
| EXPECT_EQ(1, ClientRequest.L3) << "Usage# " << Usage << ": Incorrect L3 cacheability for L3Eviction type# " << ClientRequest.L3Eviction; |
| } |
| else if(Usage == GMM_RESOURCE_USAGE_CCS) //60 |
| { |
| EXPECT_EQ(AssignedMocsIdx, 60) << "Usage# " << Usage << ": Incorrect Index for CCS"; |
| EXPECT_EQ(0, ClientRequest.L3) << "Usage# " << Usage << ": Incorrect L3 cacheability for CCS"; |
| } |
| else if(Usage == GMM_RESOURCE_USAGE_MOCS_62) //62 |
| { |
| EXPECT_EQ(AssignedMocsIdx, 62) << "Usage# " << Usage << ": Incorrect Index for MOCS_62"; |
| EXPECT_EQ(0, ClientRequest.L3) << "Usage# " << Usage << ": Incorrect L3 cacheability for MOCS#62"; |
| } |
| // Check of assigned Index setting is appropriate for HDCL1 setting |
| else if(ClientRequest.HDCL1) |
| { |
| EXPECT_GE(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting"; |
| } |
| else |
| { |
| EXPECT_LT(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting"; |
| } |
| |
| if(ClientRequest.L3) |
| { |
| EXPECT_EQ(L3_WB_CACHEABLE, Mocs.L3.Cacheability) << "Usage# " << Usage << ": Incorrect L3 cachebility setting"; |
| } |
| else |
| { |
| EXPECT_EQ(L3_UNCACHEABLE, Mocs.L3.Cacheability) << "Usage# " << Usage << ": Incorrect L3 cachebility setting"; |
| } |
| } |
| } |
| |
| |
| TEST_F(CTestGen12CachePolicy, TestL3CachePolicy) |
| { |
| CheckL3CachePolicy(); |
| } |
| |
| |
| void CTestGen12CachePolicy::CheckLlcEdramCachePolicy() |
| { |
| const uint32_t TargetCache_LLC = 1; |
| |
| const uint32_t LeCC_UNCACHEABLE = 0x0; |
| const uint32_t LeCC_WC_UNCACHEABLE = 0x1; |
| const uint32_t LeCC_WB_CACHEABLE = 0x3; |
| const uint32_t LeCC_WT_CACHEABLE = 0x2; |
| |
| // Check Usage MOCS index against MOCS settings |
| for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++) |
| { |
| GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage); |
| uint32_t AssignedMocsIdx = ClientRequest.MemoryObjectOverride.Gen12.Index; |
| GMM_CACHE_POLICY_TBL_ELEMENT Mocs = pGmmULTClientContext->GetCachePolicyTlbElement(AssignedMocsIdx); |
| |
| // Check for unused fields |
| EXPECT_EQ(0, Mocs.LeCC.AOM) << "Usage# " << Usage << ": AOM is non-zero"; |
| EXPECT_EQ(0, Mocs.LeCC.CoS) << "Usage# " << Usage << ": CoS is non-zero"; |
| EXPECT_EQ(0, Mocs.LeCC.PFM) << "Usage# " << Usage << ": PFM is non-zero"; |
| EXPECT_EQ(0, Mocs.LeCC.SCC) << "Usage# " << Usage << ": SCC is non-zero"; |
| // SCF field might be set for LKF/Gen12+ platforms; |
| EXPECT_EQ(0, Mocs.LeCC.SCF & !const_cast<SKU_FEATURE_TABLE &>(pGfxAdapterInfo->SkuTable).FtrLLCBypass) << "Usage# " << Usage << ": SCF is non-zero"; |
| EXPECT_EQ(0, Mocs.LeCC.ESC) << "Usage# " << Usage << ": ESC is non-zero"; |
| EXPECT_EQ(0, Mocs.LeCC.Reserved) << "Usage# " << Usage << ": Reserved field is non-zero"; |
| |
| // Check for age |
| EXPECT_EQ(ClientRequest.AGE, Mocs.LeCC.LRUM) << "Usage# " << Usage << ": Incorrect AGE settings"; |
| |
| // Check for Snoop Setting |
| EXPECT_EQ(ClientRequest.SSO, Mocs.LeCC.SelfSnoop) << "Usage# " << Usage << ": Self Snoop is non-zero"; |
| |
| // Check if Mocs Index is not greater than GMM_MAX_NUMBER_MOCS_INDEXES |
| EXPECT_GT(GMM_MAX_NUMBER_MOCS_INDEXES, AssignedMocsIdx) << "Usage# " << Usage << ": MOCS Index greater than MAX allowed (63)"; |
| |
| if(ClientRequest.L3Eviction == 0x2) //63 |
| { |
| GMM_CACHE_POLICY_ELEMENT MOCS63 = pGmmULTClientContext->GetCachePolicyElement(GMM_RESOURCE_USAGE_L3_EVICTION); |
| if((GMM_RESOURCE_USAGE_TYPE)Usage == GMM_RESOURCE_USAGE_L3_EVICTION) |
| { |
| EXPECT_EQ(AssignedMocsIdx, 63) << "Usage# " << Usage << ": Incorrect Index for L3Eviction type# " << ClientRequest.L3Eviction; |
| } |
| else |
| { |
| MOCS63.L3 = 1; //Override L3 to test , since Hw forces it to L3-uncached |
| EXPECT_NE(AssignedMocsIdx, 63) << "Usage# " << Usage << ": Incorrect Index for L3Eviction type# " << ClientRequest.L3Eviction; |
| EXPECT_EQ(MOCS63.Value, ClientRequest.Value) << "Usage# " << Usage << ": Incorrect usage for L3Eviction type# " << ClientRequest.L3Eviction; |
| } |
| } |
| else if(ClientRequest.L3Eviction == 0x3) //61 |
| { |
| GMM_CACHE_POLICY_ELEMENT MOCS61 = pGmmULTClientContext->GetCachePolicyElement(GMM_RESOURCE_USAGE_L3_EVICTION_SPECIAL); |
| EXPECT_EQ(AssignedMocsIdx, 61) << "Usage# " << Usage << ": Incorrect Index for L3Eviction type# " << ClientRequest.L3Eviction; |
| EXPECT_EQ(0, ClientRequest.LLC) << "Usage# " << Usage << ": Incorrect LLC cacheability for L3Eviction type# " << ClientRequest.L3Eviction; |
| EXPECT_EQ(MOCS61.Value, ClientRequest.Value) << "Usage# " << Usage << ": Incorrect usage for L3Eviction type# " << ClientRequest.L3Eviction; |
| } |
| else if(Usage == GMM_RESOURCE_USAGE_CCS) //60 |
| { |
| EXPECT_EQ(AssignedMocsIdx, 60) << "Usage# " << Usage << ": Incorrect Index for CCS"; |
| } |
| else if(Usage == GMM_RESOURCE_USAGE_MOCS_62) //62 |
| { |
| EXPECT_EQ(AssignedMocsIdx, 62) << "Usage# " << Usage << ": Incorrect Index for MOCS_62"; |
| } |
| // Check of assigned Index setting is appropriate for HDCL1 setting |
| else if(ClientRequest.HDCL1) |
| { |
| EXPECT_GE(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting"; |
| } |
| else |
| { |
| EXPECT_LT(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting"; |
| } |
| |
| if(!ClientRequest.LLC && !ClientRequest.ELLC) // Uncached |
| { |
| EXPECT_EQ(LeCC_WC_UNCACHEABLE, Mocs.LeCC.Cacheability) << "Usage# " << Usage << ": Incorrect LLC/eDRAM cachebility setting"; |
| } |
| else |
| { |
| if(ClientRequest.LLC) // LLC only |
| { |
| EXPECT_EQ(TargetCache_LLC, Mocs.LeCC.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting"; |
| |
| EXPECT_EQ(LeCC_WB_CACHEABLE, Mocs.LeCC.Cacheability) << "Usage# " << Usage << ": Incorrect LLC cachebility setting"; |
| } |
| else |
| { |
| EXPECT_EQ(TargetCache_LLC, Mocs.LeCC.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting"; |
| |
| EXPECT_EQ(LeCC_WC_UNCACHEABLE, Mocs.LeCC.Cacheability) << "Usage# " << Usage << ": Incorrect LLC cachebility setting"; |
| } |
| } |
| } |
| } |
| |
| TEST_F(CTestGen12CachePolicy, TestLlcEdramCachePolicy) |
| { |
| CheckLlcEdramCachePolicy(); |
| } |
